Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Naples should be used to estimate when to plant mustard.

Planting Calendar for Mustard

Frost tolerance for mustard:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since mustard do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant mustard in Naples is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant mustard and expect a good harvest is probably September. If you wait any later than that and your mustard may not have a chance to fully mature. If you are starting your mustard indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Naples. It might get as low as 30°F during the coldest months of winter.

Remember that USDA zone info for Naples is just an average and the actual date of last frost changes from year to year. Since half of the time in Naples you get surprised by a frost after January 31 be ready to protect your mustard if you have a late frost.

USDA Zone Info for Naples

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Naples

You may be interested in your other planting guides for Naples.